Show:
Motion
Forces
Newton's Laws
PE & KE
miscellaneous
100
^v/^t represent (change in velocity/change in time)
What is acceleration
100
Type of friction used when you put on the brakes to stop a bike.
What is sliding friction
100
Always required to overcome inertia
What is unbalanced force
100
A leaf hanging motionless on a tree has
What is potential energy
100
What is the SI unit for momentum
What is kg * m/s
200
Acceleration always involves a change in
What is velocity
200
Engine oil helps prevent an engine from overheating by
What is reducing the friction between moving parts
200
An object at rest will stay at rest as long as the net force acting on it is
What is zero
200
When a moving bat hits a ball, what happens to the kinetic energy of the bat
What is most of it is transferred to the ball
200
Something an observer uses to perceive motion
What is frame of reference
300
The SI unit for distance is the
What is meter
300
You would weigh less on the moon than on Earth because
What is the moon has weaker gravity than Earth.
300
Inertia causes a moving object to
What is keep moving
300
A 40 kg boy is running at a velocity of 3m/s; calculate his kinetic energy
What is 180J
300
Meters per second is the SI unit for
What is speed
400
The best definition of deceleration
What is negative acceleration
400
Albert Einstein was the first person to show that gravity is
What is caused by curves in space and time around massive objects
400
The acceleration of an object is inversely related to its
What is mass
400
Lana, who weighs 400 newtons, is about to dive from a 10-meter diving board. Calculate her potential energy.
What is 4000J (Remember 1 newton is equal to 1kg * 9.8 m/s/s)
400
The difference between two opposing forces is called
What is net force
500
The average speed of a boat that travels 57 kilometers in 3 hours.
What is 19 km/h
500
Hair scrunchies, trampolines, and pogo sticks are all examples of
What is eleastic force
500
If you apply 10 N of force to a 10kg object, what will be the object's acceleration
What is 1 m/s/s Remember Force = mass * acceleration, so Acceleration = Force divided by mass
500
When you climb a mountain energy is converted from
What is kinetic to potential energy
500
After falling toward Earth for 2 seconds, an object ideally has a velocity of
What is 19.6 m/s/s